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Final Class Yiisoft\Mailer\HeadersNormalizer

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InheritanceYiisoft\Mailer\HeadersNormalizer

Public Methods

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Method Description Defined By
normalize() Yiisoft\Mailer\HeadersNormalizer

Method Details

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normalize() public static method

public static ?array normalize ( ?array $headers )
$headers ?array 

                public static function normalize(?array $headers): ?array
{
    if ($headers === null) {
        return null;
    }
    return array_map(
        static fn(string|array $value): array => (array) $value,
        $headers,
    );
}